Need fresh pads for your TENS device? These replacement self-adhesive gel pads are just what you need to keep your pain relief going. Each pack includes 8 pads measuring 45 x 45 mm perfect for targeting those sore spots. They stick firmly to your skin without leaving residue so you can focus on getting the relief you need. Compatible with model EM59 and EM89..The EM59RS replacement gel pads are also suited to the EM89